40261907 has 4 divisors (see below), whose sum is σ = 46013616. Its totient is φ = 34510200.

The previous prime is 40261873. The next prime is 40261913. The reversal of 40261907 is 70916204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40261907 - 2⁸ = 40261651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40261907.

It is not an unprimeable number, because it can be changed into a prime (40261307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2875844 + ... + 2875857.

It is an arithmetic number, because the mean of its divisors is an integer number (11503404).

Almost surely, 2^40261907 is an apocalyptic number.

40261907 is a deficient number, since it is larger than the sum of its proper divisors (5751709).

40261907 is an equidigital number, since it uses as much as digits as its factorization.

40261907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5751708.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 40261907 is about 6345.2271038947. The cubic root of 40261907 is about 342.7399905712.

The spelling of 40261907 in words is "forty million, two hundred sixty-one thousand, nine hundred seven".